Distinguishing Characteristics |
Bivalve (2 shells); shell oval with a straight hinge area that is as wide or wider than the rest of the shell; usually with a wing (extension of the hinge area) on posterior end, sometimes on the anterior end; color yellow to brown, sometimes with radiating streaks of alternating dark and light colors; shells nearly flat, not very inflated, very thin and delicate; ventral and lateral margins with soft or hardened rounded projections, extending past the margins; part of the surface of shells with scaly projections; interior whitish, pearly (nacreous) in center; brownish around margins. |
Similar Species |
The shape and the scaly surface is usually enough to distinguish this species. The Atlantic wing oyster, Pteria colymbus, is of similar shape but has a greatly elongated wing on its posterior end. |
Habitat |
Gulf, attached to hard surfaces |
Maximum Size |
6 cm (2.5 in) |
Other Common Names |
Caribbean pearl oyster, akoya pearl oyster |
Previous Scientific Names |
P. radiata |
Comments |
Is capable of producing beautiful pearls. Is cultured in many countries. |